EP3155297B1 - Rückstelleinrichtung für einen getriebe-wählhebel - Google Patents

Rückstelleinrichtung für einen getriebe-wählhebel Download PDF

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Publication number
EP3155297B1
EP3155297B1 EP15724625.7A EP15724625A EP3155297B1 EP 3155297 B1 EP3155297 B1 EP 3155297B1 EP 15724625 A EP15724625 A EP 15724625A EP 3155297 B1 EP3155297 B1 EP 3155297B1
Authority
EP
European Patent Office
Prior art keywords
coil
engagement element
selector lever
flux
reset device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP15724625.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3155297A1 (de
Inventor
Jorg Jahn
Joachim DEGEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3155297A1 publication Critical patent/EP3155297A1/de
Application granted granted Critical
Publication of EP3155297B1 publication Critical patent/EP3155297B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/2208—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
    • G01D5/2241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils by controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/0204—Selector apparatus for automatic transmissions with means for range selection and manual shifting, e.g. range selector with tiptronic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • F16H59/105—Range selector apparatus comprising levers consisting of electrical switches or sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B7/305—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/0221—Selector apparatus for selecting modes, i.e. input device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/0221—Selector apparatus for selecting modes, i.e. input device
    • F16H2059/0226—Selector apparatus for selecting modes, i.e. input device for selecting particular shift speeds, e.g. a fast shift speed with aggressive gear change
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/0295—Selector apparatus with mechanisms to return lever to neutral or datum position, e.g. by return springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2306/00—Shifting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core

Definitions

  • the invention relates to a restoring device for a gear selector lever in a motor vehicle according to the preamble of claim 1 and as it is known from the document US 2012/085193 A1 is known.
  • the invention relates to the scanning of a position of an element of the resetting device.
  • a motor vehicle includes a transmission with multiple gear stages.
  • An operation of the transmission can be influenced by means of a selector lever by a driver of the motor vehicle.
  • a manual program can be selected in which the driver must explicitly trigger a gear change of the transmission via the selector lever.
  • an automatic program may be selected in which a controller does the selecting and engaging of gear ratios in the transmission.
  • the programs can also be selected by the selector lever.
  • the automatic program To be able to start the engine when starting to drive, the automatic program must be preset. For example, when switching off the vehicle beforehand, the selector lever can be moved from the manual program to the automatic program at position N. Furthermore, the same mechanism can lock the selector lever and prevent, for example, a tilting movement back into the manual program depending on the operating state (for example, ignition off).
  • a reset means for inserting the automatic program comprises an actuator whose position must be scanned to ensure that the reset has been correctly and completely performed and the return mechanism has returned to its end position / home position.
  • Known sensors in the selector lever which can be used to scan the position of the restoring device, include, for example, switches or Hall sensors.
  • switches or Hall sensors include, for example, switches or Hall sensors.
  • JP 2008-256693 shows an arrangement with three flat, horizontally offset coils, which can be influenced by a rhomboid eddy current element. Thereby, the position of the element with respect to the coils can be determined
  • the required for the position determination circuitry and mechanical complexity is relatively large.
  • the invention solves this problem by means of a restoring device with the features of the independent claim. Subclaims give preferred embodiments again.
  • a selector lever for a gear stage of a transmission in a motor vehicle includes an electric drive means for moving an engagement member to move the selector lever to a predetermined position, a position sensor for determining a position of the engagement member, and an electric driver for driving the drive means in response the position of the engagement element.
  • the position sensor comprises a first coil, which is attached to the drive device, and with the engagement element, a magnetic flux element is mechanically coupled.
  • the drive device is arranged with respect to the drive device such that the flux element influences the inductance of the first coil as a function of a position of the engagement element.
  • a dynamic magnetic field is preferably generated by the first coil, which is influenced by the flux element, so that the presence of the flux element in the region of the first coil can be determined on the basis of an electrical parameter on the coil.
  • the inductance of the first coil can be increased or decreased when the flux element is approximated to the first coil.
  • the drive means comprises a printed circuit board, wherein the first coil is formed as a conductor track on the circuit board, in particular as a spiral-shaped conductor track.
  • the first coil is formed as a conductor track on the circuit board, in particular as a spiral-shaped conductor track.
  • a separately mounted coil can be saved.
  • joints can be omitted, so that the reliability of the return device can be increased.
  • the coil can be easily protected on the printed circuit board, for example by covering, so that it is insensitive to moisture, corrosion and electrical contact.
  • the position sensor comprises a second coil mounted on the driver such that its inductance is unaffected by a position of the engagement member, the position sensor being configured to adjust the position of the engagement member based on a difference in inductance To determine coils.
  • a differential detection of the position of the engagement member can be performed, which can provide high accuracy or high reliability.
  • Such a measuring principle is in the EP 1 884 749 A1 described. By using this measuring principle for the restoring device, a particularly cost-effective and reliable integrated solution can be created which can ensure that the selector lever is correctly reset.
  • At least one further position sensor is provided for determining a position of the selector lever.
  • the at least one further position sensor can work in particular according to the same measuring principle, wherein common components can be used several times.
  • the at least one further position sensor may comprise a third coil whose inductance is dependent on the position of the selector lever, while the second coil is unaffected by a position of the selector lever. At this time, the position of the selector lever is determined on the basis of a difference of the inductances of the second and third coils.
  • the relative effort to determine the position of the engagement element can be reduced.
  • System costs for the restoring device can be lowered.
  • a mutual influence of the first and third coil or an influence of the second coil by one of the movable elements can be virtually eliminated. The position determinations can therefore be carried out with little effort interaction-free and robust.
  • the flux element is configured in different variants to increase or decrease the magnetic flux of the magnetic field provided by the first coil when the flux element approaches the first coil.
  • the inductance of the first coil can change accordingly.
  • a gain or attenuation by a predetermined factor or over a predetermined threshold can be used to determine the presence or absence of the flow element on the coil, so that a divalent result can be provided in the manner of a switch.
  • the flux element comprises a section with a soft-magnetic material, then it can increase the magnetic field or the magnetic flux in the region of the first coil when approaching the first coil and thus increase the inductance of the first coil.
  • the flux element comprises a section with an electrically conductive material
  • the magnetic field or the magnetic flux in the region of the first coil can be reduced when the section of the first coil is approached.
  • the inductance of the first coil decreases.
  • the conductive material is preferably non-ferromagnetic, for example copper, aluminum or gold or another highly conductive metal may be used, optionally also as an alloy.
  • the soft magnetic material may include, for example, ferrite, soft iron, an iron alloy or a special soft magnetic metal such as mu-metal. Basically, the material needs good high frequency properties. To For example, the conductivity and remagnetization losses of the material must be low, but the permeability must be high.
  • the conductive material is attached to the engagement member as a separate flux element.
  • the engagement element comprises a portion of conductive material that can be used as a flow element.
  • each section may comprise a soft magnetic material, an electrically conductive material or a material which leaves the inductance of the first coil uninfluenced.
  • the latter case can be realized in particular by a corresponding recess or limitation of the flow element.
  • the portions may be successively moved past the first coil as the engagement member is moved, wherein the position of the engagement member is incrementally determined based on a timing of inductions on the first coil.
  • the principle of a digital incremental encoder can thus be applied to the determination of the position of the engagement element. In this case, a high position resolution of the engagement element can be determined with little effort.
  • a plurality of first coils are provided, the assembly being moved past the first coils when the engagement member is moved.
  • the position of the engagement element is determined based on a combination of inductions of the first coil absolutely.
  • the position of the engagement member may be digitally encoded by the position of the portions with respect to the first coils, so that a high determination accuracy of the position of the engagement member can be achieved.
  • two flow elements are provided which face each other with respect to the circuit board. As a result, the influencing of the first coil attached to the printed circuit board can be reinforced by the two flux elements.
  • first coils are provided which lie on different levels of the printed circuit board.
  • the first coils can be electrically connected to one another, for example by means of plated-through holes, in particular electrically in series.
  • the first two coils can be regarded as a first coil with an increased number of turns. In this way, the inductance of the entire coil can be easily changed by the flux element.
  • FIG. 1 shows a control system 100 for controlling a transmission in a motor vehicle.
  • a monostable selector lever 105 By means of a monostable selector lever 105, a gear ratio of the transmission can be selected directly or indirectly.
  • the selector lever 105 can be brought into different positions 110.
  • positions A1, A2, B1 and B2 are shown in the vertical direction in a right-hand shift gate which corresponds to an automatic lane of an automatic transmission.
  • position N which corresponds to a neutral position of the selector lever, in which the selector lever automatically returns due to its monostable storage to take its starting position, which corresponds to an unactuated selector lever position.
  • the gear ratios D for forward drive, N for neutral position of the transmission and R for reverse drive By switching movements in the automatic lane can be at least select the gear ratios D for forward drive, N for neutral position of the transmission and R for reverse drive, the gear ratios D and R are separated from each other via the gear ratio N.
  • Other selectable gears are possible in the automatic lane.
  • the position A1 in this preferred embodiment is one in the order of arrangement the gear stages causing forward change from one gear to the next, with A2 allows a forward change from one gear to the next but one by switching the intermediate gear.
  • B1 correspondingly stands for a reverse change from one gear step to the next, wherein B2 enables a rearward change in the order of arrangement of the gear steps from one gear step to the next after a gearshifting through the intermediate gear step.
  • gear ratios may be provided in the arrangement order R, N, D, wherein the automatic transmission may be connected in the gear stage R, for example.
  • a selection of the position A1 then causes a change from the gear ratio R to the gear stage N.
  • the selection of the position A2 in contrast, causes a change from the gear stage R via the gear stage N to the gear stage D. If the gear stage D is currently engaged in the automatic transmission If, on the other hand, the gear ratio N can be engaged via a selection of the position B1, or the gear stage R can be engaged via the selection of the position B2 by shifting through the gear stage N.
  • a left shift gate which corresponds to a manual shift gate
  • the positions M, T + and T- are shown in the vertical direction.
  • the selector lever 105 When the selector lever 105 is in position M as shown, it may be moved to the T + position by the driver to cause the transmission to shift up, or to the TP position to cause a downshift. After being released, the selector lever 105 usually returns to the position M by spring force.
  • the control system 100 is configured to place the selector lever 105 in a predetermined position 110 under predetermined conditions, particularly from a position 110 of the manual shift gate to a position 110 of the automatic shift gate.
  • the selector lever 105 can be moved from the position M to the position N, for example, when the motor vehicle is turned off.
  • a restoring device 115 is provided, which comprises an electric drive device 120 and an engagement element 125, wherein the drive device 120 is adapted to move the engagement element 125 to the selector lever 105 in the move predetermined position 110.
  • the resetting device 115 comprises a position sensor 130, which operates on the inductive measuring principle.
  • the position sensor 130 includes a coil 135 fixedly disposed opposite to the driver 120, and a magnetic flux member 140 fixedly attached to the engaging member 125.
  • a drive device 145 is set up to drive the drive device 120 as a function of a signal of the position sensor 130. The control can be carried out in particular with respect to a signal which can be scanned at an interface 150. It is preferred that the coil 135 is attached directly to the drive device 145. In particular, it is preferred that the drive device 145 comprises a printed circuit board 155 to which the coil 135 is attached.
  • the coil 135 may in particular be designed in the form of a printed circuit, wherein a conductor track made of a conductive material is formed in a plane in concentric turns. It is also possible for a plurality of coils, which are electrically connected to one another, to be provided one above the other in different planes and to be electrically connected to one another.
  • the position sensor 130 preferably has the function of a limit switch, which scans in a binary manner, whether the engagement member 125 has reached a predetermined position or not. For this purpose, a sample can be compared with a threshold value. In other embodiments, a more than two-valued digital positioning of the engagement element 125 may also be performed. It can also be an analog, ie continuous position determination performed.
  • a differential measuring method may be used in which a further coil 160 is provided whose inductance or magnetic field is unaffected by a position of the flux element 140.
  • the inductances of the coils 135 and 160 may then be compared with one another to determine the position of the flux element 140, and thus of the engagement element 125, analog or digital.
  • two resonant circuits may be constructed with the coils 135 and 160, whose frequencies are determined and compared with each other.
  • one or more further coils 165 may be included by the restoring device 115, wherein the further coil 165 may be configured, for example, to scan the position 110 of the selector lever 105.
  • the selector lever may comprise a flow element or be mechanically coupled to a flow element.
  • the third coil 165 is attached directly to the drive device 145, in particular as a printed coil on the circuit board 155th
  • FIGS. 2 and 3 show two different mechanical drives that can be used to implement a movement of the drive means 120 on the engagement member 125. It shows FIG. 2 an exemplary worm gear and FIG. 3 an exemplary linear drive.
  • the drive device 120 includes an electric motor that provides rotational movement.
  • the worm gear of FIG. 2 Squats this movement and also provides a rotational movement that can be used to reset the selector lever 105.
  • the linear drive of FIG. 3 also reduces the rotational movement of the drive device 120, but provides a linear movement that can be used to return the selector lever 105.
  • an additional gear stage can be used, for example, in each case between the drive device 120 and the worm. Both drives shown are usable with the present invention.
  • FIGS. 4 and 5 show variants of an arrangement of a mechanical drive, which provides a rotational movement, at the drive means 145 of the return means 115 of FIG. 1 ,
  • the engagement member 125 has reached a predetermined position when the flow member 140 is a short distance from the coil 135.
  • the flow element 140 is mounted on a radius about an axis of rotation 405, around which the mechanical drive provides the rotational movement for resetting the selector lever 105.
  • the lever is exemplified as a cam or eccentric, which can bear the engagement member 125 directly.
  • a separate element is provided to support the engagement member 125.
  • FIG. 5 One to the embodiment of FIG. 4 complementary embodiment is in FIG. 5 shown.
  • two flow elements 140 may be provided on different sides of the circuit board 155.
  • the lever, the cam, the disc or the eccentric, which holds the flow elements 140 relative to the rotational movement about the rotation axis 405 may be slotted in the plane of rotation in order to receive the circuit board 155 in the region of the slot.
  • the magnetic flux element 140 for either amplifying or attenuating a magnetic field of the first coil 135.
  • a gain can be achieved, for example, by means of a soft magnetic metal, while a weakening by means of a conductive, preferably non-ferromagnetic material such as copper or aluminum can be effected.
  • eddy currents can be formed by the magnetic field in the material, which reduce the magnetic field or the magnetic flux.
  • a mechanical element of the restoring device 115 is already made of a suitable material, so that the element only according to one of the options of FIGS. 4 or 5 must be formed in order to perform a position determination by means of the coil 135 can.
  • the material may include, for example, aluminum or zinc die-casting.
  • a magnetic flux element 140 may be attached to a suitable location of a movable element of the reset device 115.
  • FIG. 6 shows an alternative of attaching the magnetic flux element 140 to a rotatable component of the restoring device 115, in which the axis of rotation 405 is parallel to a plane in which the drive means 145 extends.
  • the magnetic flux element 140 is different from that in FIGS FIGS. 4 and 5 shown embodiments with respect to the axis of rotation 405 not axially but radially oriented.
  • one or more flow elements 140 may be arranged on the lateral surface of a cylindrical component.
  • a cylindrical member may have, on a predetermined circumference about the axis of rotation 405, one or more axial extensions to which the magnetic flux member 140 is attached.
  • the cylindrical component can then be similar to a crown, wherein the coil 135 is arranged in the axial direction so that it lies in the plane of rotation in which one or more extensions lie.
  • FIG. 7 shows an array of flux elements 140 on a movable element 705 mechanically coupled to the engagement element 125.
  • the arrangement shown may be applied to a movable element 705 rotated about the axis of rotation 405 or linearly displaced.
  • a plurality of flux elements 140 are mounted, which can be scanned with a plurality of coils 135 of the position sensor 130. It is preferred that the coils 135 sense the presence or absence of different magnetic flux elements 140.
  • the flow elements 140 are split into a first track 710 and a second track 715. Each track 710, 715 is associated with a coil 135.
  • the coils 135 may be located side by side in a direction perpendicular to the direction of movement of the movable member 705.
  • a binary encoding of the position of the element 705 may be performed.
  • the encoding may support as many bits as tracks 710, 715, which corresponds to a maximum resolution of 2n positions at n tracks. With the shown arrangement of two tracks, four different positions of the element 705 can be sampled. In further embodiments, more tracks 710, 715 may also be used to increase the resolution.
  • FIG. 8 shows another variant on the movable element 705 of FIG. 7 in which only one track 710 is used.
  • the flow elements 140 are preferably equidistant in the direction of movement.
  • the flux elements 140 may be as wide as the gaps between them with respect to the direction of movement of the element 705.
  • you can use two coils 135 are used, which are offset in the direction of movement by half the width of the flow elements 140.
  • FIG. 9 FIG. 12 also shows an alternative arrangement of flux elements 140 on the movable element 705 analogous to the embodiments of FIGS. 7 and 8 ,
  • two flow elements 140 of different types are arranged in the same track 710. While one flux element 140 causes amplification of the magnetic field, the other is arranged to attenuate the magnetic field of the coil 135.
  • the two flux elements 140 taper antiparallel along the direction of movement of the element 705.
  • the magnetic field of the coil 135 can be negatively, not at all or positively influenced.
  • an analog scan of the position of the movable element 705 can thereby be carried out.
  • the analog sampled position may also be discretized to provide a digital position.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
EP15724625.7A 2014-06-13 2015-05-22 Rückstelleinrichtung für einen getriebe-wählhebel Not-in-force EP3155297B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014211376 2014-06-13
DE102014212058.6A DE102014212058A1 (de) 2014-06-13 2014-06-24 Rückstelleinrichtung für einen Getriebe-Wählhebel
PCT/EP2015/061349 WO2015189021A1 (de) 2014-06-13 2015-05-22 Rückstelleinrichtung für einen getriebe-wählhebel

Publications (2)

Publication Number Publication Date
EP3155297A1 EP3155297A1 (de) 2017-04-19
EP3155297B1 true EP3155297B1 (de) 2018-06-20

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EP15724625.7A Not-in-force EP3155297B1 (de) 2014-06-13 2015-05-22 Rückstelleinrichtung für einen getriebe-wählhebel

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US (1) US20170314970A1 (ko)
EP (1) EP3155297B1 (ko)
JP (1) JP6584432B2 (ko)
KR (1) KR20170018424A (ko)
CN (1) CN106461065B (ko)
DE (1) DE102014212058A1 (ko)
ES (1) ES2684626T3 (ko)
WO (1) WO2015189021A1 (ko)

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JP7409601B2 (ja) * 2018-01-05 2024-01-09 株式会社東海理化電機製作所 シフト装置
DE102018218673A1 (de) * 2018-10-31 2020-04-30 Zf Friedrichshafen Ag Sensoranordnung
DE102019213387A1 (de) * 2019-09-04 2021-03-04 Zf Friedrichshafen Ag Induktive Verschiebungs- und/oder Positionserfassung

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DE102022110552A1 (de) 2022-04-29 2023-11-02 Bcs Automotive Interface Solutions Gmbh Lenkstockmodul mit einem Steuerhebel zur Steuerung einer Fahrzeugfunktion oder -komponente

Also Published As

Publication number Publication date
EP3155297A1 (de) 2017-04-19
WO2015189021A1 (de) 2015-12-17
DE102014212058A1 (de) 2015-12-17
JP6584432B2 (ja) 2019-10-02
CN106461065A (zh) 2017-02-22
ES2684626T3 (es) 2018-10-03
CN106461065B (zh) 2019-03-05
KR20170018424A (ko) 2017-02-17
JP2017527773A (ja) 2017-09-21
US20170314970A1 (en) 2017-11-02

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